{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "Meanwhile , light environment is known to vary between aquatic ecosystems , but also before and during the exposure to atrazine and these variations may modify the sensitivity to atrazine of photoautotroph organisms ."}
{"Chemical": ["atrazine"]}